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Thurston County, Washington

Community Planning and Economic Development


Access Permit Guide
Accessory Buildings
Additional Property Owners
Administrative Variance
Administrative Variance Guide
ADU Frequently Asked Questions
ADU Handout
Adult Family Homes
Agriculture Buildings
Anchoring Verification Form
Assessor's Home Data Sheet


Building Permit Extension Request

Code Compliance Verification Certification
Compliance Certification No Permit
Construction Permit - SA 014
Construction Permit Guide
COWA Connection to a Public Water System
COWA Connection to one (1) or (2) Single Family Residential Connections to one Water Source 
Critical Area Review
Critical Area Determination 
Critical Area Determination Info Sheet

Decommissioning an Underground Oil Tank
Design Review
Design Review within Lacey UGA
Design Review within Olympia UGA
Design Review within Tumwater UGA

Emergency Verification Form
Encroachment Permit - SA 013
Encroachment Permit Guide
Engineer Supplemental Mobile Certification List
Exempt Accessory Structures
Exempt Accessory Structure

Family Member Unit Affidavit
Fire Code Permit
Fire Code Permit Application
Fire Code Permit Guide
Fire Flow Permit Guide
Fire Flow Worksheet (Excel spreadsheet)
Fire Permit Application
Fire Related Projects Application
Fire ADU Verification Form
Firework  Displays Guide
Firework Stands Guide
FIRM Panel
Flood Damage and Permitting
Flood Insurance Rate Map Example
Flood Insurance Rate Map Legend
Flood Plan

Garage Conversion Guide
Guide to Using the Master Application Form

Hazard And Vulnerability Plan
Hazards Verification Form

Impervious Surface Worksheet
Inspection No Permit

JARPA Cover Sheet - SA 030

Legal Lot Determination Form SA031
Legal Lot Determination Instructions
Limited-Supply Sprinkler System Guide
Living in an RV While House is Under Construction
Locating or Recreating a Water Well Report Fact Sheet

Manufactured Home Homeowner Checklist
Manufactured Home Placement Guide
Manufactured Home Placement Permit - SA 005
Master Application MA 001
Membrane/Tent Permit
Minor Construction Permit Guide
Minor Permit Application
Minor Permit Guide

Non-Residential Guide
Non-Residential Permit SA 002

Oil Tank Decommissioning Information Guide
Other Administrative Actions

Permit Phone System Guide
Private Well Water Sample Instructions

Reasonable Use Exception Guide
Reasonable Use Exception Permit SA 015c
Refund Request Form
Release of Moratorium - SA 035
Request to Vacade Right-of-Way Guide
Request to Vacate Right-of-Way
Residential Building Permit
Residential Energy Code 2018 Guide
Reviewing Elevation Certificates
Right of Way Access Permit - SA 015b
Right of Way Scoping Review - SA 015a

Scoping Review Request Guide
SEPA Checklist
SEPA Checklist Guide
SEPA Cover Sheet
Septic Verification Form
Shoreline Administrative Variance SA 037
Shoreline Administrative Variance Guide
Single Family Home/Duplexes Guide
Site Plan Review Guide
Site Plan Review SA 038
Special Use Permit SA 039
State Mandated Well Form
Supplemental Certification No Permit

Thurston County Reference Monument Locations
Tiny Home Information Guide
Title Elimination Inspection Request

Variance Request for Drainage and Erosion Control
Variance Request form for Hearing Examiner

Waiver of Moratorium SA 035a
Water Affidavit 11-22-23
Water Affidavit 13-14
Well Form Guide
Withdrawal Request Form